scp hosts root@hadoop-01:/etc/
scp hosts root@hadoop-02:/etc/
scp hosts root@hadoop-03:/etc/

# scp env.sh terminal_conf.sh root@hadoop-01:/etc/profile.d/
# scp env.sh terminal_conf.sh root@hadoop-02:/etc/profile.d/
# scp env.sh terminal_conf.sh root@hadoop-03:/etc/profile.d/